Examples with CuratorConnectionLossException org.apache.curator.CuratorConnectionLossException used on opensource projects

Example 1 with CuratorConnectionLossException

use of org.apache.curator.CuratorConnectionLossException in project xian by happyyangyuan.

the class CuratorFrameworkImpl method performBackgroundOperation.

private void performBackgroundOperation(OperationAndData<?> operationAndData) {
    try {
        if (client.isConnected()) {
            operationAndData.callPerformBackgroundOperation();
        } else {
            // important - allow connection resets, timeouts, etc. to occur
            client.getZooKeeper();
            if (operationAndData.getElapsedTimeMs() >= client.getConnectionTimeoutMs()) {
                throw new CuratorConnectionLossException();
            }
            operationAndData.sleepFor(1, TimeUnit.SECONDS);
            queueOperation(operationAndData);
        }
    } catch (Throwable e) {
        ThreadUtils.checkInterrupted(e);
        /**
         * Fix edge case reported as CURATOR-52. ConnectionState.checkTimeouts() throws KeeperException.ConnectionLossException
         * when the initial (or previously failed) connection cannot be re-established. This needs to be run through the retry policy
         * and callbacks need to get invoked, etc.
         */
        if (e instanceof CuratorConnectionLossException) {
            WatchedEvent watchedEvent = new WatchedEvent(Watcher.Event.EventType.None, Watcher.Event.KeeperState.Disconnected, null);
            CuratorEvent event = new CuratorEventImpl(this, CuratorEventType.WATCHED, KeeperException.Code.CONNECTIONLOSS.intValue(), null, null, operationAndData.getContext(), null, null, null, watchedEvent, null);
            if (checkBackgroundRetry(operationAndData, event)) {
                queueOperation(operationAndData);
            } else {
                logError("Background retry gave up", e);
            }
        } else {
            handleBackgroundOperationException(operationAndData, e);
        }
    }
}

Example 2 with CuratorConnectionLossException

use of org.apache.curator.CuratorConnectionLossException in project fabric8 by jboss-fuse.

the class CuratorFrameworkImpl method performBackgroundOperation.

private void performBackgroundOperation(OperationAndData<?> operationAndData) {
    try {
        if (client.isConnected()) {
            operationAndData.callPerformBackgroundOperation();
        } else {
            // important - allow connection resets, timeouts, etc. to occur
            client.getZooKeeper();
            if (operationAndData.getElapsedTimeMs() >= client.getConnectionTimeoutMs()) {
                throw new CuratorConnectionLossException();
            }
            operationAndData.sleepFor(1, TimeUnit.SECONDS);
            queueOperation(operationAndData);
        }
    } catch (Throwable e) {
        ThreadUtils.checkInterrupted(e);
        /**
         * Fix edge case reported as CURATOR-52. ConnectionState.checkTimeouts() throws KeeperException.ConnectionLossException
         * when the initial (or previously failed) connection cannot be re-established. This needs to be run through the retry policy
         * and callbacks need to get invoked, etc.
         */
        if (e instanceof CuratorConnectionLossException) {
            WatchedEvent watchedEvent = new WatchedEvent(Watcher.Event.EventType.None, Watcher.Event.KeeperState.Disconnected, null);
            CuratorEvent event = new CuratorEventImpl(this, CuratorEventType.WATCHED, KeeperException.Code.CONNECTIONLOSS.intValue(), null, null, operationAndData.getContext(), null, null, null, watchedEvent, null);
            if (checkBackgroundRetry(operationAndData, event)) {
                queueOperation(operationAndData);
            } else {
                logError("Background retry gave up", e);
            }
        } else {
            handleBackgroundOperationException(operationAndData, e);
        }
    }
}